geological
Showing 81–100 of 100 results
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Geological Specimens
Celestite Geode — Whole — Display Grade
Mohs hardness: 3–3.5$381.58 -
Geological Specimens
Banded Iron Formation — Field Specimen
Mohs hardness: 5.5–7$153.80 -
Geological Specimens
Suevite — Impact Breccia — Display Grade
Mohs hardness: varies$119.16 -
Geological Specimens
Banded Iron Formation — Display Grade
Mohs hardness: 5.5–7$143.41 -
Geological Specimens
Celestite Geode — Whole — Field Specimen
Mohs hardness: 3–3.5$501.51 -
Geological Specimens
Oolitic Limestone — Polished Face
Mohs hardness: 3$47.02 -
Geological Specimens
Garnet Schist — Specimen Grade
Mohs hardness: 5.5–7.5$74.71 -
Geological Specimens
Radiolarite — Display Grade
Mohs hardness: 6.5–7$21.36 -
Geological Specimens
Suevite — Impact Breccia — Polished Face
Mohs hardness: varies$68.80 -
Geological Specimens
Amethyst Cathedral Geode — Half — Polished Face
Mohs hardness: 7$2,522.08 -
Geological Specimens
Oolitic Limestone — Specimen Grade
Mohs hardness: 3$42.48 -
Geological Specimens
Conglomerate — Tillite — Polished Face
Mohs hardness: varies$77.53 -
Geological Specimens
Conglomerate — Tillite — Large Specimen
Mohs hardness: varies$48.51 -
Geological Specimens
Celestite Geode — Whole — Specimen Grade
Mohs hardness: 3–3.5$591.94 -
Geological Specimens
Volcanic Bomb — Breadcrust — Specimen Grade
Mohs hardness: 5–6$124.73 -
Geological Specimens
Fulgurite — Desert Glass Tube — Field Specimen
Mohs hardness: 5.5–6$22.14 -
Geological Specimens
Chalk with Flint Nodule — Display Grade
Mohs hardness: 1–7$50.86 -
Geological Specimens
Desert Varnish Sandstone — Polished Face
Mohs hardness: 7$23.42 -
Geological Specimens
Banded Iron Formation — Polished Face
Mohs hardness: 5.5–7$183.22 -
Geological Specimens
Pele’s Tears — Hawaiian — Polished Face
Mohs hardness: 5–5.5$39.27